21624014611416 has 32 divisors (see below), whose sum is σ = 61782898890240. Its totient is φ = 6178289888928.

The previous prime is 21624014611399. The next prime is 21624014611421. The reversal of 21624014611416 is 61411641042612.

It is a super-2 number, since 2×21624014611416² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64357186176 + ... + 64357186511.

It is an arithmetic number, because the mean of its divisors is an integer number (1930715590320).

Almost surely, 2^{21624014611416} is an apocalyptic number.

It is an amenable number.

21624014611416 is an abundant number, since it is smaller than the sum of its proper divisors (40158884278824).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21624014611416 is a wasteful number, since it uses less digits than its factorization.

21624014611416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128714372703 (or 128714372699 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 21624014611416 in words is "twenty-one trillion, six hundred twenty-four billion, fourteen million, six hundred eleven thousand, four hundred sixteen".